lxw:你们要了解多项式的基本结论,不要出现极为离谱的结论。
十分钟后,lxw声称多项式差分等于求导……
C20250044 LV 7
By signing up a HFOJ universal account, you can submit code and join discussions in all online judging services provided by us.
Using your HFOJ universal account